Delete row ('1321', '20649') from daily_volatility

ticker_id 1321
day 20649
implied_open 1.2493237690847
implied_high 1.2493237690847
implied_low 1.090578690420824
implied_close 1.196937893125621
historical_open 1.036605363675107
historical_high 1.036605363675107
historical_low 1.036605363675107
historical_close 1.036605363675107
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